Patents by Inventor Eugene Bzowej
Eugene Bzowej has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11827816Abstract: An adhesive composition comprising a polyurethane and a cationic polymeric dopant or a polymerizable cationic dopant may be used to form one or more adhesive layers of electro-optic assemblies. They enable improved electro-optic performance of the corresponding electro-optic devices even at low temperatures.Type: GrantFiled: August 26, 2020Date of Patent: November 28, 2023Assignee: E Ink CorporationInventors: Eugene Bzowej, Jonathan Kim Nguyen, David Darrell Miller
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Publication number: 20230213790Abstract: An electrophoretic medium is disclosed comprising four types of particles. The first type of particles has a first charge polarity. The second and third types of particles have a second charge polarity that is opposite to the first charge polarity. The electrophoretic medium further comprises, a first charge control agent, and a second charge control agent, the molecular structure of the first charge control agent including a quaternary ammonium group and a non-polar tail and the molecular structure of the second charge control agent including two or more polar groups, and a non-polar tail.Type: ApplicationFiled: December 28, 2022Publication date: July 6, 2023Inventors: Lee YEZEK, Stephen J. TELFER, Sherry Hsin-Yi TSAI, Ziyan WU, Eugene BZOWEJ, Ali SARVI, Craig GIBEAU
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COMPOSITE ELECTROPHORETIC PARTICLES HAVING POLYMER SHELLS INCLUDING FIRST AND SECOND MONOMERIC UNITS
Publication number: 20220413323Abstract: An electrophoretic medium includes a fluid, a plurality of light scattering charged particles having a first polarity, and a first, second, and third set of particles, each set having a color different from each other set. The first and second particles may have a second polarity opposite to the first polarity, and the mobility of the third set of particles is less than half of the mobility of the light scattering particles, the first set of charged particles, and the second set of charged particles.Type: ApplicationFiled: August 29, 2022Publication date: December 29, 2022Inventors: Stephen J. TELFER, Eugene BZOWEJ, Kenneth R. CROUNSE, John L. MARSHALL, Brandon MACDONALD, Ziyan WU, Lee YEZEK -
Patent number: 11460722Abstract: An electrophoretic medium includes a fluid, a plurality of light scattering charged particles having a first polarity, and a first, second, and third set of particles, each set having a color different from each other set. The first and second particles may have a second polarity opposite to the first polarity, and the mobility of the third set of particles is less than half of the mobility of the light scattering particles, the first set of charged particles, and the second set of charged particles.Type: GrantFiled: May 6, 2020Date of Patent: October 4, 2022Assignee: E Ink CorporationInventors: Stephen J. Telfer, Eugene Bzowej, Kenneth R. Crounse, John L. Marshall, Brandon Macdonald, Ziyan Wu, Lee Yezek
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Patent number: 11286408Abstract: Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The electro-optic assembly comprises a hybrid adhesive layer comprising two or more adhesive materials including a polyurethane adhesive material and a polyacrylate adhesive material. The polyurethane adhesive material includes an end-capping cyclic carbonate. In some embodiments, the adhesive layer is formed by curing the two adhesive materials under two different sets of conditions, comprising two or more curing steps.Type: GrantFiled: April 17, 2020Date of Patent: March 29, 2022Assignee: E Ink CorporationInventors: Eugene Bzowej, David Darrell Miller, Ziyan Wu
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Publication number: 20220081596Abstract: A dispersion composition comprising a filler, a polymerizable monomer or oligomer, and an additive comprising a polycyclic aromatic group. The dispersion composition may be used for making a polymer film used as an electrode, a conductive layer, a sealing layer, a polymer part, and an adhesive film of a device.Type: ApplicationFiled: September 14, 2021Publication date: March 17, 2022Inventors: Lynne A. MCCULLOUGH, Eugene BZOWEJ, David Darrell MILLER, Craig A. HERB
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Publication number: 20210102102Abstract: An adhesive composition comprising a polyurethane and a cationic polymeric dopant or a polymerizable cationic dopant may be used to form one or more adhesive layers of electro-optic assemblies. They enable improved electro-optic performance of the corresponding electro-optic devices even at low temperatures.Type: ApplicationFiled: August 26, 2020Publication date: April 8, 2021Inventors: Eugene BZOWEJ, Jonathan Kim NGUYEN, David Darrell MILLER, Michael Thomas REGAN, Lynne A. MCCULLOUGH
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Publication number: 20200355946Abstract: An electrophoretic medium includes a fluid, a plurality of light scattering charged particles having a first polarity, and a first, second, and third set of particles, each set having a color different from each other set. The first and second particles may have a second polarity opposite to the first polarity, and the mobility of the third set of particles is less than half of the mobility of the light scattering particles, the first set of charged particles, and the second set of charged particles.Type: ApplicationFiled: May 6, 2020Publication date: November 12, 2020Inventors: Stephen J. TELFER, Eugene BZOWEJ, Kenneth R. CROUNSE, John L. MARSHALL, Brandon MACDONALD, Ziyan WU, Lee YEZEK
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Publication number: 20200355978Abstract: Mixtures are disclosed containing a plurality of charged pigment particles and a one or more charge control agents. At least one of the charge control agents has a chemical structure that includes a cationic head group, such as an ammonium cation or an iminium compound, and a non-ionic, polar functional group, other than an acyclic secondary amide group. The mixtures are useful as dispersions for forming electrophoretic media that may be incorporated into electrophoretic displays. Alternatively, the dispersions may be useful for forming electrophotographic toners and dispersions for other printing applications.Type: ApplicationFiled: May 1, 2020Publication date: November 12, 2020Inventors: Eugene BZOWEJ, John L. MARSHALL, Stephen J. TELFER, Brandon MACDONALD
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Publication number: 20200248054Abstract: Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The electro-optic assembly comprises a hybrid adhesive layer comprising two or more adhesive materials including a polyurethane adhesive material and a polyacrylate adhesive material. The polyurethane adhesive material includes an end-capping cyclic carbonate. In some embodiments, the adhesive layer is formed by curing the two adhesive materials under two different sets of conditions, comprising two or more curing steps.Type: ApplicationFiled: April 17, 2020Publication date: August 6, 2020Inventors: Eugene BZOWEJ, David Darrell MILLER, Ziyan WU
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Patent number: 10662354Abstract: Electro-optic assemblies and related materials (e.g., adhesive) tier use therein are generally provided. The adhesive layer may comprise an end-capped polyurethane. Some adhesive layers comprise two or more reactive functional groups (e.g., reactive functional groups configured to react with one or more curing species such that, for example, at least one of the two or more functional groups forms a crosslink). The adhesive may also comprise a chain-extending reagent that includes one or more reactive functional groups. In some embodiments, the adhesive is cured by reacting one or more reactive functional groups with one or more curing species. Curing the adhesive may comprise two or more curing steps. In some embodiments the adhesive layer may comprise one or more cross-linkers.Type: GrantFiled: November 26, 2018Date of Patent: May 26, 2020Assignee: E Ink CorporationInventors: Eugene Bzowej, David Darrell Miller, Ziyan Wu
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Publication number: 20190106609Abstract: Electro-optic assemblies and related materials (e.g., adhesive) tier use therein are generally provided. The adhesive layer may comprise an end-capped polyurethane. Some adhesive layers comprise two or more reactive functional groups (e.g., reactive functional groups configured to react with one or more curing species such that, for example, at least one of the two or more functional groups forms a crosslink). The adhesive may also comprise a chain-extending reagent that includes one or more reactive functional groups. In some embodiments, the adhesive is cured by reacting one or more reactive functional groups with one or more curing species. Curing the adhesive may comprise two or more curing steps. In some embodiments the adhesive layer may comprise one or more cross-linkers.Type: ApplicationFiled: November 26, 2018Publication date: April 11, 2019Inventors: Eugene BZOWEJ, David Darrell MILLER, Ziyan WU
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Patent number: 10174232Abstract: Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The adhesive layer may comprise an end-capped polyurethane. Some adhesive layers comprise two or more reactive functional groups (e.g., reactive functional groups configured to react with one or more curing species such that, for example, at least one of the two or more functional groups forms a crosslink). The adhesive may also comprise a chain-extending reagent that includes one or more reactive functional groups. In some embodiments, the adhesive is cured by reacting one or more reactive functional groups with one or more curing species. Curing the adhesive may comprise two or more curing steps. In some embodiments the adhesive layer may comprise one or more cross-linkers.Type: GrantFiled: September 29, 2016Date of Patent: January 8, 2019Assignee: E Ink CorporationInventors: Eugene Bzowej, David Darrell Miller, Ziyan Wu
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Patent number: 10150899Abstract: Polymer formulations including urethane acrylates, adhesion promoters, and conductive monomers. By selecting suitable conductive monomers, it is possible to achieve formulations having a volume resistivity from 106 to 1010 Ohm·cm after being conditioned for one week at 25° C. and 50% relative humidity. Such formulations are suitable for incorporation into electro-optic materials, such as electro-optic displays or variable transmission films, e.g., for architectural applications. In other embodiments, the formulations additionally include metal oxide nanoparticles to alter the refractive index and/or conductivity.Type: GrantFiled: August 29, 2017Date of Patent: December 11, 2018Assignee: E Ink CorporationInventors: Peter Carsten Bailey Widger, Lynne A. McCullough, Russell J. Dewitte, Richard J. Paolini, Jr., Thomas Fauvell, Jonathan Kim Nguyen, Eugene Bzowej
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Publication number: 20170362479Abstract: Polymer formulations including urethane acrylates, adhesion promoters, and conductive monomers. By selecting suitable conductive monomers, it is possible to achieve formulations having a volume resistivity from 106 to 1010 Ohm·cm after being conditioned for one week at 25° C. and 50% relative humidity. Such formulations are suitable for incorporation into electro-optic materials, such as electro-optic displays or variable transmission films, e.g., for architectural applications. In other embodiments, the formulations additionally include metal oxide nanoparticles to alter the refractive index and/or conductivity.Type: ApplicationFiled: August 29, 2017Publication date: December 21, 2017Inventors: Peter Carsten Bailey WIDGER, Lynne A. MCCULLOUGH, Russell J. DEWITTE, Richard J. PAOLINI, JR., Thomas FAUVELL, Jonathan Kim NGUYEN, Eugene BZOWEJ
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Publication number: 20170088758Abstract: Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The adhesive layer may comprise an end-capped polyurethane. Some adhesive layers comprise two or more reactive functional groups (e.g., reactive functional groups configured to react with one or more curing species such that, for example, at least one of the two or more functional groups forms a crosslink). The adhesive may also comprise a chain-extending reagent that includes one or more reactive functional groups. In some embodiments, the adhesive is cured by reacting one or more reactive functional groups with one or more curing species. Curing the adhesive may comprise two or more curing steps. In some embodiments the adhesive layer may comprise one or more cross-linkers.Type: ApplicationFiled: September 29, 2016Publication date: March 30, 2017Inventors: Eugene BZOWEJ, David Darrell MILLER, Ziyan WU
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Publication number: 20070066777Abstract: A process for preparing crosslinkable oligomers comprising reacting at least one monomer having the structure: VHC?CHX, wherein more than 60% of such monomer or monomers has at least one crosslinkable functional moiety, and at least one monomer having the structure: WHC?CYZ at certain molar ratios and reaction conditions, in which V, X, W, and Z are predefined in the text. Curable coatings, sealants, and adhesives utilizing such crosslinkable oligomers and block, branched, star and comb-like graft crosslinkable copolymers derived from such crosslinkable oligomers are also disclosed.Type: ApplicationFiled: September 3, 2004Publication date: March 22, 2007Inventors: Eugene Bzowej, Richard Brinkhuis, Mohamad Shalati, Petrus Johannes Elfrink, Gautam Haldankar